The first is the cut-off frequency, usually with the coaxial cable.
首先是截止频率，通常与同轴电缆有关。
The filter features high cut-off frequency and the fabrication process is compatible with MOS process.
该滤波器具有高截止频率、与MOS工艺兼容、便于单片集成等优点。
The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.
在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。
The control of A-A on-off frequency conversion step speed regulator by adopting model 8031 single chip computer is described.
本文介绍了8031单片微机对交-交选通有级变频调速器的控制。
According to "virtual short" and "virtual-off" feature, available to the circuit passband voltage gain and pass-band cut-off frequency.
根据“虚短”和“虚断”的特点，可得到电路的通带电压放大倍数和通带截止频率。
Using this model, the parameters of HEMT such as channel conductance, transconductance, gate capacitance, and cut-off frequency are derived.
由本文模型还推导出了HEMT沟道电导、跨导、栅电容和截止频率等微波参数表达式。
The physical mechanism about reflection of low-emission glass in near-infrared region is explained by using plasma cut-off frequency theory.
利用等离子体截止波长理论，解释了低辐射玻璃红外反射的物理机制。
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
分析了检测信号的特征，并采用截止频率法成功地提取了微弱的缺陷回波信号。
At the same time, the effects on the cut-off frequency and propagating angles. After introducing the velocity V0 of the plasma were discussed.
同时讨论了由于引入等离子体运动速度V0以后对截止频率和可传播角度的影响。
Cut off frequency is the main factor influencing frequency properties of electrode circuits of common emitter, common base and common collector.
截止频率是影响共发射极、共基极和共集电极电路频率特性的重要因素。
It can successfully recover the information out of the cut-off frequency so that we can get more details of an image and enhance image resolution.
它可以成功恢复截止频率以外的信息，增加图象细节，从而提高图象分辨率。
The designing principle is that the E-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.
其设计原则是尽可能地保持电场的纵向分布和四极截止频率保持不变。
The results show that permeability decreases and cut-off frequency increases with the increase of DC bias. Permeability varies linearly in the certain range.
研究表明：偏置直流的增加，降低了材料的磁导率，提高了截止频率，并且在一定偏置直流范围内，磁导率呈线性变化。
Using the highly-integrated Switch-Capacitor filter, the sampling rate and the cut-off frequency of the anti-alias filter can be arbitrarily selected within some range.
并采用高集成度的开关电容滤波器，系统的采样频率和反混迭滤波器的截止频率可在一定范围内任意给定。
The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.
分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减，高阶传播模式并无严格意义的截止频率。
The cut-off frequency of improved inverter output filter can be set higher to ensure the bandwidth of control system and improve the waveform quality of inverter output voltage.
改进后逆变器输出滤波器的截止频率可以取较高值，保证足够的控制系统带宽，有效提高逆变器输出电压波形质量。
When the frequency is higher than the cut-off frequency, as the frequency increases, voltage amplification factor will be reduced, thus the circuit has a "low-pass" characteristics.
当频率高于截止频率时，随着频率的升高，电压放大倍数将降低，由此电路具有“低通”的特性。
The method of designing the programmable cut-off frequency low pass filter is also shown. Under the control of a computer, its cut-off frequency may vary with the input signal frequency.
介绍了一种程控低通滤波器的实现方法，其截止频率可随输入信号频率的变化由计算机控制。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The fundamental equations of elastic mechanics were established through research of the spreading of elastic wave in honeycomb structure. The cut-off frequency was solved from the equations.
通过对弹性波在蜂窝结构中传播的研究，建立了弹性力学基本方程，得出了截止频率；
The simulation and experiment results show that, the matching of the deformed sever is much better than that of the H-plane and E-plane tapered wedge-shaped severs near the cut-off frequency.
计算结果与测试结果表明与H面渐变和E面渐变的楔形衰减器相比所设计衰减器在近截止频率处的匹配效果得到了明显的改善。
Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.
基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。
Every molecule gives off its own unique vibrational frequency in response to the kick from the short pulse.
每个分子都会对短脉冲的轻击产生应激，发射出独有的振动频率。
That is because such systems use high-frequency (and therefore short-wavelength) radio waves that readily bounce off small objects that they encounter.
因为该系统往往使用高频电波（所以波长较短），当遇到很小的物体时（ 译者注 ：波长短，频散很严重，导致探测深度浅。
Powernowd: This governor daemon bases frequency changes off of the processor load and has four different behavioral modes that users can chose.
powernowd：这个调控器守护进程根据处理器负载改变基本频率，用户可以选择四种行为模式。
Ofcom will auction off the frequency currently used by analogue television broadcasts in 2010, handing it over for use by mobile operators.
通信管理局将在2010年拍卖现在由模拟电视广播使用的频率，将它移交给手机运营商。
The catch is that because low-frequency waves can travel great distances, when they do bounce off cavities or objects underground, they often end up far from the detection equipment at the surface.
捕捉过程是这样的，因为低频波可以传输到更远的距离，当它们遇到地下的空穴或其他物体反射回来的时候，已经距地面的接收装置很远了。
Regulators think that some high-frequency traders switched off their programs when prices began to spiral, fearful that their trades would be cancelled because of the severity of the declines.
管理机构认为，价格开始急剧涨跌时，有些高频率交易员会关闭程序，害怕他们的交易因为跌幅过大而被取消。
Regulators think that some high-frequency traders switched off their programs when prices began to spiral, fearful that their trades would be cancelled because of the severity of the declines.
管理机构认为，价格开始急剧涨跌时，有些高频率交易员会关闭程序，害怕他们的交易因为跌幅过大而被取消。
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